2878570913 has 2 divisors, whose sum is σ = 2878570914. Its totient is φ = 2878570912.

The previous prime is 2878570909. The next prime is 2878570921. The reversal of 2878570913 is 3190758782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2586434449 + 292136464 = 50857^2 + 17092^2 .

It is a cyclic number.

It is not a de Polignac number, because 2878570913 - 2² = 2878570909 is a prime.

It is not a weakly prime, because it can be changed into another prime (2878500913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439285456 + 1439285457.

It is an arithmetic number, because the mean of its divisors is an integer number (1439285457).

Almost surely, 2^2878570913 is an apocalyptic number.

It is an amenable number.

2878570913 is a deficient number, since it is larger than the sum of its proper divisors (1).

2878570913 is an equidigital number, since it uses as much as digits as its factorization.

2878570913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 50.

The square root of 2878570913 is about 53652.3150758660. The cubic root of 2878570913 is about 1422.5219536952.

The spelling of 2878570913 in words is "two billion, eight hundred seventy-eight million, five hundred seventy thousand, nine hundred thirteen".